15(1) -Respiratory System

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Across
  1. 3. Tube that surrounds and protects the glottis or "voice box"
  2. 4. Inelastic prevents foreign objects from entering the glottis
  3. 6. From be of tongue at the level of hyoid bone to entrance of esophagus
  4. 8. location of gas exchange
  5. 9. Stimulated by Parasympathetic activation contracts causing:
Down
  1. 1. Blockage of a branch of a pulmonary artery
  2. 2. (aka wind pipe) Runs from the cricoid cartilage to branches of primary bronchi
  3. 5. Forms the anterior and lateral surfaces of the larynx
  4. 7. also called the throat chamber shared by respiratory and digestive systems